Question

Find the missing length in the image below

Answer 1

Let it be x

Using basic proportionality theorem

`\\ \sf\longmapsto (x)/(10)=(14)/(7)`

`\\ \sf\longmapsto (x)/(10)=2`

`\\ \sf\longmapsto x=10(2)`

`\\ \sf\longmapsto x=20`